/*
 * Copyright 2013-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.client.circuitbreaker;

import java.util.function.Function;
import java.util.function.Supplier;

/**
 * Spring Cloud circuit breaker.
 *
 * @author Ryan Baxter
 */
public interface CircuitBreaker {

	default <T> T run(Supplier<T> toRun) {
		return run(toRun, throwable -> {
			throw new NoFallbackAvailableException("No fallback available.", throwable);
		});
	};

	<T> T run(Supplier<T> toRun, Function<Throwable, T> fallback);

}
